code: def _module_main_install(self) -> None:
      # Support running code without a: __name__ == "__main__"
      main_module = sys.modules["__main__"]
      main_mod_spec = getattr(main_module, "__spec__", None)
      main_mod_path = getattr(main_module, "__file__", None)
      if main_mod_spec is None:  # hack for pdb
          # Note: typing has trouble with BuiltinImporter
          loader: Loader = importlib.machinery.BuiltinImporter  # type: ignore # noqa: F821
          main_mod_spec = importlib.machinery.ModuleSpec(
              name="wandb.mpmain", loader=loader
          )
          main_module.__spec__ = main_mod_spec
      else:
          self._save_mod_spec = main_mod_spec
  
      if main_mod_path is not None:
          self._save_mod_path = main_module.__file__
          fname = os.path.join(
              os.path.dirname(wandb.__file__), "mpmain", "__main__.py"
          )
          main_module.__file__ = fname
  
imports: import importlib.machinery
  import logging
  import multiprocessing
  import os
  import queue
  import sys
  import threading
  from typing import TYPE_CHECKING, Any, Callable, Dict, Optional, Union, cast
  import wandb
  from wandb.sdk.interface.interface import InterfaceBase
  from wandb.sdk.interface.interface_queue import InterfaceQueue
  from wandb.sdk.internal.internal import wandb_internal
  from wandb.sdk.internal.settings_static import SettingsStatic
  from wandb.sdk.lib.mailbox import Mailbox
  from wandb.sdk.wandb_manager import _Manager
  from wandb.sdk.wandb_settings import Settings
label_desc: Use image node_id 4 for calling the Backend obj's underlying member method code with example usage: obj._module_main_install() without return types